Home / 10,553.35-14,565.57-6,781.23

Finding the Fourth Proportional to 10,553.35, 14,565.57 and 6,781.23

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Solution

The fourth proportional to 10,553.35, 14,565.57 and 6,781.23 is: 9,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.35 : 14,565.57 = 6,781.23 : x
  2. Step 2: Convert to fraction form
    10,553.35/14,565.57 = 6,781.23/x
  3. Step 3: Cross multiply
    10,553.35x = 14,565.57 × 6,781.23
  4. Step 4: Simplify right side
    10,553.35x = 98,772,480.25
  5. Step 5: Solve for x
    x = 98,772,480.25/10,553.35
  6. Step 6: Final answer
    x = 9,359.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.